process.stdout.write('hello world\n');
process.argv.forEach((value,index,array)=>console.log(`${index}: ${value}`));
console.log(process.execPath);
process.exitCode=2;
console.log(`${process.env}\n
    ${process.version}\n
    ${process.versions}\n
    ${process.config}\n
    ${process.pid}\n
    ${process.title}\n
    ${process.arch}\n
    ${process.platform}\n
`);
